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EP 2 449 499 A1

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(43) Date of publication: 09.05.2012 Bulletin 2012/19 (21) Application number: 10739714.3 (22) Date of filing: 01.07.2010

(51) International Patent Classification (IPC):  G06F 21/00(2006.01) (86) International application number: PCT/JP2010/004331 (87) International publication number: WO 2011/001685 (06.01.2011 Gazette 2011/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 01.07.2009 JP 2009157363 (71) Applicant: Panasonic Corporation Kadoma-shi Osaka 571-8501 (JP)

(72) Inventors: NICOLSON, Kenneth, Alexander Osaka-shi, Osaka 540-6207 (JP) MATSUSHIMA, Hideki Osaka-shi, Osaka 540-6207 (JP) TAKAYAMA, Hisashi Osaka-shi, Osaka 540-6207 (JP) ITO, Takayuki Osaka-shi, Osaka 540-6207 (JP) HAGA, Tomoyuki Osaka-shi, Osaka 540-6207 (JP) MAEDA, Manabu Osaka-shi, Osaka 540-6207 (JP) (74) Representative: Kügele, Bernhard et al Novagraaf International SA 3 chemin de l'Echo 1213 Onex Geneva 1213 Onex Geneva (CH)